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sexta-feira, 31 de julho de 2015

Petra (Jordânia)

Also called "Rose City" due to the color of its stone, the ancient city of Petra is Jordan's main tourist attraction, and that's the problem: touching and rubbing hands, as well as wind and rain erosion, are eating away at the surface of the Al Khazneh temple, which has receded by 1.5 inches in the last century. Camels and donkeys are also contributing to the erosion of the walkpaths and the excess humidity may threaten the structural stability of the dry sandstone.
Foto: Getty Images/CNN
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